title: Language: Disputed definitions.
authors.forename: Heidi
authors.initials: H
authors.lastname: Ledford
mesh_terms: D000818:Animals; D003243:Consciousness / Q000502:physiology; D044127:Epigenesis, Genetic; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D008962:Models, Theoretical; D044469:Racial Groups; D012586:Science / Q000266:history; D013234:Stem Cells; D009626:Terminology as Topic